Specifications

Specifications
VTM Series Installation and Operation Handbook
A-3
Audio Options (continued)
Input Connector
37-pin, D-sub, male
Impedance:
> 20kΩ
Inputs (Digital)
Four AES/EBU serial digital pairs with input expansion option to eight.
Sixteen embedded audio channels, one Dolby
®
E or AC-3 stream
Input Connectors
Four or eight, BNC, female
Impedance
75Ω
Outputs (Analog)
Eight monophonic or four stereo channels, balanced or unbalanced,
follows selected audio input. Dolby inputs produce a two channel mix
down and/or full eight channel decode
Output level
 +24 dBu max
 +6 to –50 dB adjustable
 For digital audio, -20 dBFs produces a +4 dBu analog output level
Output connector
37-pin D-sub, male, shared with inputs
Impedance
10Ω unbalanced or 20Ω balanced, nominal
Signal to noise
100 dB (relative to signal level out of +24 dBu), typical
Outputs (Digital)
4 AES/EBU and one Dolby
®
Digital, Dolby
®
E stream
Output connector
Four shared with input
Impedance
75Ω, BNC, female
Control
GPI
Nine total with four input and five preset recall selections or individually
user configured
GPO
Two alarms, user configured
Connector
26-pin HD (high density) D-sub, female
Input Impedance
10 kΩ returned to +5 VDC